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products sbm industrial technology group

auxiliary facilities. auxiliary facilities are indispensable in aggregate production lines, so sbm attaches great importance to the development of these facilities including feeder, screen and sand washer.

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quarry

a quarry is a place from which dimension stone, rock, construction aggregate, riprap, sand, gravel, or slate has been excavated from the ground. a quarry is the same thing as an open pit mine from which minerals are extracted. the only non trivial difference between the two is that open pit mines that produce building materials and dimension stone are commonly referred to as quarries.